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Lowest observed prices for 3.5 kW (12,000 BTU) air conditioners: 5 models

Mitsubishi Electric MSZEF+MSZSF 3.3 kW (MXZ-2D33VA-E4) has the lowest stored shop price at £394.99. If the price is older than this snapshot, treat it as a dated observation and recheck the shop.

computed

bar · 3.5 kW (12,000 BTU) kW · Lowest observed shop price · n=5 · 25 Sep 2026

Ranked models

5 models match this list. Lowest observed shop price.

3.5 kW (12,000 BTU) · Lowest observed shop price. £ per summer uses 26.32p/kWh at 400 hours.
RankModelLwA dB(A)3 m dB(A)SEER£ at 400 hRefrigerantObserved price
1Mitsubishi Electric MSZEF+MSZSF 3.3 kW (MXZ-2D33VA-E4)63.045.55.5£63.17R410A£394.99
2Samsung WindFree Avant 3.5 kW (AR70F12 / AR70F12C1ABN)62.044.58.6£42.85R32£979.99
3Mitsubishi Electric Elegance 3.5 kW (MUZ-AY35VG)61.043.58.7£42.35R32£1,044.99
4Mitsubishi Electric Zen 3.5 kW (MUZ-EF35VG)62.044.58.8£41.87R32£1,186.99
5Mitsubishi Electric Premium 3.5 kW (MUZ-LN35VG2)61.043.59.5£38.79R32£1,356.99

EPREL manufacturer-declared registrations · snapshot 25 Sep 2026 · n=5 · Lowest observed shop price; noise via contract_engine MCS 020a Q=2, no barrier · updated 25 Sep 2026 · version 1.0.0 · CSV of the values on this page

How this page was calculated

If the calculated sound pressure level at all assessment positions is equal to or lower than 37.0 dB(A) then the heat pump will comply with the Permitted Development noise limit

Better than a best-of roundup with no figures: every row is a registered number and a link to the model card.

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